# tensorplay.nn.functional.poisson_nll_loss Source: https://www.tensorplay.cn/docs/generated/tensorplay.nn.functional.poisson_nll_loss.html ```python tensorplay.nn.functional.poisson_nll_loss(input: Tensor, target: Tensor, log_input: bool = True, full: bool = False, size_average=None, eps: float = 1e-08, reduce=None, reduction: str = 'mean') → Tensor ``` Compute the Poisson negative log likelihood loss. See PoissonNLLLoss for details.